J.D. Vogel et al. – American Society of Colon and Rectal Surgeons – Clinical Practice Guideline for the Management of Anorectal Abscess, Fistula-in-Ano and Rectovaginal Fistula (Dis Colon Rectum, 2016)
Step by step
Examination of anus
Examine the anus by inspection and palpation for the fistula openings both in the perianal skin and in the anal canal.
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